Sending email to addresses not in Contact list

[stphn]

Yes, it seems you have to separate them by comma. Also see here:

Ad hoc handling of mail addresses

Hello everyone! Now that I’ve come to love and rely on K-9 for most of my mail, I keep stumbling over its inability to efficiently and flexibly handle non-address book mail addresses. Professionals often need to email lots of strangers. Think research, ad hoc meetings, mail addresses pulled from the web, attencance lists and the like - in short, people you want to contact first before adding them anywhere. Most mail clients allow a certain flexibility regarding the way those mail addresses are…